Megger DLRO100EB Digital Low Resistance Ohmmeter
Megger DLRO100EB micro-ohmmeter delivers 100A test current with 0.1µΩ to 2Ω range, IP54 weatherproof design, rechargeable battery, and DualGround for safe field testing.
Product details
| Model | 1004-879 |
| Manufacturer | Megger |
| Category | Milliohmmeters & Microohmmeters |
| Availability | Made to order |
Description
Overview
The Megger DLRO100EB is a portable digital low resistance micro-ohmmeter designed for field testing of electrical equipment and infrastructure. It delivers a high test current of up to 100A, enabling accurate measurement of very small resistances from 0.1µΩ to 2Ω with 0.1µΩ resolution. The instrument is powered by integrated rechargeable Li-ion batteries, providing autonomy for up to 200 manual or continuous tests in locations without mains power access. Optional DualGround capability allows safe dual-grounding during substation testing.
Key Features
- 100A adjustable test current output
- Measurement range 0.1µΩ to 1.999Ω with 0.1µΩ resolution
- Accuracy ±0.05µΩ (0.1-10µΩ range) and ±0.2% (10µΩ-2Ω range)
- Integrated Li-ion rechargeable battery with 360 test cycles
- 4-terminal measurement for accurate low-resistance testing
- Adjustable current ramp rates and test duration control
- Low-ripple DC output for stable, precise measurements
- Result storage with 999 capacity and USB download
- Time and date-stamped memory records
- Optional DualGround for safe substation testing
- CAT IV 600V safety rated
- IP54 weatherproof rating (IP67 with lid closed)
Applications
- Busbar and cable joint resistance testing
- Wire and cable resistance measurement
- Lightning conductor bonding verification
- Switchgear and circuit breaker testing during manufacture and field service
- Substation equipment grounding verification
Included Accessories
- Power line cord
- Quick start guide
- Certificate of test
- Calibration certificate
- Information CD
Specifications
| Measurement Range | 0.1µΩ to 1.999Ω |
| Resolution | 0.1µΩ |
| Accuracy | ±0.05µΩ (0.1-10µΩ), ±0.2% (10µΩ-2Ω) |
| Test Current | Adjustable 10A to 100A |
| Measurement Method | 4-terminal |
| Battery Type | Integrated Li-ion rechargeable |
| Battery Capacity | 360 manual tests or 30 minutes continuous at 100A |
| Data Storage | 999 results with time/date stamp, USB download |
| Display | Large LCD |
| Special Features | DualGround support, variable current ramp rates, low-ripple DC output |
| Safety Rating | CAT IV 600V |
| IP Rating | IP54 (lid open), IP67 (lid closed) |
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Megger DLRO100EB Digital Low Resistance Ohmmeter